1. APPLIED BRAKES WHEN LEAVING DRIVEWAY. 2. BRAKES FAILED COMPLETELY. 3. BRAKE LINES COMPLETELY RUSTED OUT. RIGHT FRONT FAILED ALLOWING BRAKE FLUID AND REQUISITE PRESSURE TO ESCAPE. I REPLACED THE FAILED SECTION. *TR
2004 GMC Sierra 2500
Owner reports · Recalls · Investigations
More warning signs than most Sierra 2500 years
Owner complaints for the 2004 GMC Sierra 2500 are substantially higher than the model-year median of 46.
About this comparison →How this year compares
Owner complaints by model year
Compare all Sierra 2500 years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
122 reports with mileage · 21 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Electrical System. Review the 48 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes. Review the 33 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Service Brakes, Hydraulic. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
143 reportsBROKEN EXHAUST MANIFOLD BOLTS CAUSING EXCESSIVE NOISE AND EMISSIONS ISSUES. *TR
TL* THE CONTACT OWNS A 2004 GMC SIERRA 2500 HD. WHILE THE CONTACT WAS DRIVING BETWEEN 55-60 MPH, SMOKE EXPELLED FROM THE INSTRUMENT PANEL AND AIR VENTS. THE VEHICLE WAS DRIVEN TO THE SIDE OF THE ROADWAY. THE ENGINE WAS TURNED OFF. THE CONTACT WAITED SEVERAL MINUTES BEFORE RESTARTING THE ENGINE. THE VEHICLE RESUMED OPERATION WITH…
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TL* THE CONTACT OWNS A 2004 GMC SIERRA 2500 HD. WHILE THE CONTACT WAS DRIVING BETWEEN 55-60 MPH, SMOKE EXPELLED FROM THE INSTRUMENT PANEL AND AIR VENTS. THE VEHICLE WAS DRIVEN TO THE SIDE OF THE ROADWAY. THE ENGINE WAS TURNED OFF. THE CONTACT WAITED SEVERAL MINUTES BEFORE RESTARTING THE ENGINE. THE VEHICLE RESUMED OPERATION WITHOUT THE SMOKE FAILURE. THE VEHICLE HAD NOT BEEN DIAGNOSED OR REPAIRED FOR THE MALFUNCTION. THERE WAS A RECALL ON THE 2006-2009 GMC SIERRA MODELS, THE NHTSA CAMPAIGN ID NUMBER WAS 10V24000 (ELECTRICAL SYSTEM). THE CONTACT EXPERIENCED THE IDENTICAL FAILURES AS MENTIONED IN THE RECALL DEFECT. THE FAILURE MILEAGE WAS APPROXIMATELY 60,000.
I WAS DRIVING MY 2004 GMC SIERRA WITH MY CAR SEAT WARMERS ON. I SUFFERED 1ST AND 2ND DEGREE BURNS TO MY BACK FROM THE CAR SEAT WARMERS. I HAD ONLY BEEN DRIVING THE CAR FOR APPROXIMATELY 20 MINUTES. THE PAIN WORSENED, AND I IMMEDIATELY SOUGHT MEDICAL ATTENTION. I REPORTED THIS TO GMC CLAIMS ON THE SAME DAY. I HAD PICTURES T…
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I WAS DRIVING MY 2004 GMC SIERRA WITH MY CAR SEAT WARMERS ON. I SUFFERED 1ST AND 2ND DEGREE BURNS TO MY BACK FROM THE CAR SEAT WARMERS. I HAD ONLY BEEN DRIVING THE CAR FOR APPROXIMATELY 20 MINUTES. THE PAIN WORSENED, AND I IMMEDIATELY SOUGHT MEDICAL ATTENTION. I REPORTED THIS TO GMC CLAIMS ON THE SAME DAY. I HAD PICTURES TAKEN OF MY BACK ON THE DAY OF THE INJURY, AND 2 DAYS LATER. GMC CLAIMS ON FEB 26TH TOLD ME MY CAR SEAT TEMPS (RAYTECH 120.1 F WITH LEATHER ON; 170 F WITH LEATHER OFF) ARE WITHIN NORMAL RANGE AND THIS CLAIM DOES NOT ACTUALLY EVEN NEED TO BE SETTLED BY GMC. THESE TEMPERATURES WERE TAKEN BY GMC'S INVESTIGATION SPECIALIST. I WITNESSED THE INVESTIGATION. I SPOKE TO A FORENSIC ENGINEER ON MARCH 5, 2010, WHO STATED THE TEMPERATURES READ FROM THE RAYTEC ARE INACCURATE AS THEY WERE NOT DONE DURING COMPRESSION OF THE CAR SEAT TO SIMULATE SITTING IN THE SEAT. THIS FORENSIC ENGINEER INFORMED ME THAT THE ACCURATE TEMPERATURES WOULD HAVE BEEN HIGHER . I HAVE NOT TRIED THE SEAT WARMERS SINCE MY INJURY, BECAUSE I DO NOT WANT TO INCUR FURTHER INJURY OR POSSIBLY WORSE, SUCH AS A FIRE HAZARD. AT THIS POINT, THE CLAIM IS ONGOING. I AM VERY UPSET WITH GMC AND THEIR HANDLING OF THIS CLAIM. IT SEEMS THAT THE SAFETY OF MYSELF AND MY FAMILY ARE BEING DISREGARDED. *TR
2004 GMC SIERRA SLT DURAMAX 2500HD. 92,000 MILES. WELL -MAINTAINED. WITH NO WARNING SPEEDOMETER READ FORTY MILES TOO LOW. WE THOUGHT WE WERE ENTERING THE FREEWAY AT 60, WHILE IN FACT WE WERE GOING 20. WE ALMOST GOT RAMMED BY A TRUCK. IT IS ILLEGAL TO GO 20 ON AN INTERSTATE. THIS REQUIRED SPEEDOMETER CLUSTER REPLACEMENT CO…
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2004 GMC SIERRA SLT DURAMAX 2500HD. 92,000 MILES. WELL -MAINTAINED. WITH NO WARNING SPEEDOMETER READ FORTY MILES TOO LOW. WE THOUGHT WE WERE ENTERING THE FREEWAY AT 60, WHILE IN FACT WE WERE GOING 20. WE ALMOST GOT RAMMED BY A TRUCK. IT IS ILLEGAL TO GO 20 ON AN INTERSTATE. THIS REQUIRED SPEEDOMETER CLUSTER REPLACEMENT COSTING $529. GM REFUSED ANY COVERAGE OF THE COST. I SUGGESTED THEY COVER HALF THE CLUSTER PART, $175. THEIR CUSTOMER SERVICE SAID, "NO." IF THERE IS A SAFETY ISSUE, THIS WOULD BE IT! I UNDERSTAND THERE ARE SEVERAL LAWSUITS REGARDING THESE SPEEDOMETERS. OUR VIN IS ON THEIR "SILENT RECALL" LIST. NATIONAL HIGHWAY SAFETY TRAFFIC ADMINISTRATION SHOULD BE RESPONSIBLE FOR ISSUING OPEN ENDED RECALLS FOR SAFETY ITEMS SUCH AS THESE. THE MISSION IS TO PROTECT THE PUBLIC? *TR
AT SLOW SPEED AS I'M COMING TO A STOP I'LL FEEL THE ABS BRAKES KICK IN AND THE PEDAL WILL GO DOWN SOME MORE AND STEERING WHEEL KICK TO THE LEFT AND THE TRUCK WILL MOVE A LITTLE FARTHER INSTEAD OF STOPPING. *TR
LETTER ON BEHALF OF CONSTITUENT REQUESTING ASSISTANCE IN DIFFICULTIES DEALING WITH GM REGARDING A MANUFACTURER'S DEFECT IN THE ELECTRICAL CIRCUITS IN HIS 2004 GMC K2500 PICKUP TRUCK. *NJ THE CONSUMER STATED THE VEHICLE STALLED FOR NO REASON WHILE DRIVING 70 MPH ON THE HIGHWAY. HE LOST ALL ELECTRICAL CIRCUITS, POWER STEERING A…
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LETTER ON BEHALF OF CONSTITUENT REQUESTING ASSISTANCE IN DIFFICULTIES DEALING WITH GM REGARDING A MANUFACTURER'S DEFECT IN THE ELECTRICAL CIRCUITS IN HIS 2004 GMC K2500 PICKUP TRUCK. *NJ THE CONSUMER STATED THE VEHICLE STALLED FOR NO REASON WHILE DRIVING 70 MPH ON THE HIGHWAY. HE LOST ALL ELECTRICAL CIRCUITS, POWER STEERING AND BRAKES. AFTER 45 MINUTES, THE VEHICLE RESTARTED. THE NEXT DAY, THE CONSUMER TOOK THE VEHICLE TO THE DEALER, WHERE THE MECHANIC FOUND LOOSE PINS ON THE WIRING HARNESS CONNECTORS AT C107 AND C108. THE MECHANIC STATED HE DIDN'T BELIEVE THAT WAS THE CAUSE OF THE VEHICLE STALLING, BUT THEY WERE LOOSE. SINCE, THE FIRST FAILURE, THERE HAVE BEEN 10 MORE FAILURES. THE CONSUMER TOOK THE VEHICLE TO ANOTHER DEALER WHERE IT HAS BEEN SINCE JULY 2, 2009 WITHOUT A SPECIFIC CAUSE BEING FOUND.*JB
TL*THE CONTACT OWNS A 2004 GMC SIERRA 2500 HD. THE CONTACT PERFORMED ROUTINE MAINTENANCE ON THE VEHICLE AND OBSERVED THAT THE TRANSFER CASE (4 -WHEEL DRIVE) CONTAINED PINHOLES, WHICH LED TO AN INTERNAL FLUID LEAK. THE TRANSFER CASE FLUID LEVEL WAS COMPLETELY EMPTY. THE LOCKING CLIP FAILED, WHICH CONTRIBUTED TO THE FAILURE. T…
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TL*THE CONTACT OWNS A 2004 GMC SIERRA 2500 HD. THE CONTACT PERFORMED ROUTINE MAINTENANCE ON THE VEHICLE AND OBSERVED THAT THE TRANSFER CASE (4 -WHEEL DRIVE) CONTAINED PINHOLES, WHICH LED TO AN INTERNAL FLUID LEAK. THE TRANSFER CASE FLUID LEVEL WAS COMPLETELY EMPTY. THE LOCKING CLIP FAILED, WHICH CONTRIBUTED TO THE FAILURE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT TRANSMISSION SHOP AND THE TECHNICIAN REPLACED THE LOCKING CLIP. THE FAILURE MILEAGE WAS 120,000 AND CURRENT MILEAGE WAS 126,000.
VEHICLE DIES FROM TIME TO TIME, AND WILL NOT START FROM 10 TO 45 MINUTES LATER AFTER THE ENGINE DIES. WHEN THIS HAPPENS THERE IS NO ELECTRICAL TO ANY OF THE STARTING CIRCUITS. THE FIRST FAILURE HAPPENED ON AN INTERSTATE HIGHWAY, SPEED SET AT 70 MPH, IN LEFT LANE. POWER STEERING LOST, POWER BRAKING LOST CONTROL OF THE VEHICLE W…
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VEHICLE DIES FROM TIME TO TIME, AND WILL NOT START FROM 10 TO 45 MINUTES LATER AFTER THE ENGINE DIES. WHEN THIS HAPPENS THERE IS NO ELECTRICAL TO ANY OF THE STARTING CIRCUITS. THE FIRST FAILURE HAPPENED ON AN INTERSTATE HIGHWAY, SPEED SET AT 70 MPH, IN LEFT LANE. POWER STEERING LOST, POWER BRAKING LOST CONTROL OF THE VEHICLE WAS CRITICAL, MEDIAN WAS WOODED SO HAD TO STEER DEAD VEHICLE TO RIGHT LANE AND OFF HIGHWAY. THIS CONDITION HAS HAPPENED 11 TIMES AND THE LAST TWO WERE IN TRAFFIC, WITH THE NEXT TO LAST BEING IN A CURVE ON A 4 LANE UNDIVIDED STATE HIGHWAY AND COMING WITHIN INCHES OF A REAR END COLLISION. THE VEHICLE WAS FOUND TO HAVE LOOSE PINS AT CONNECTOR, BUT THE MECHANIC SAID HE WAS UNSURE THAT THIS WAS THE PROBLEM, THIS WAS AT THE FIRST FAILURE IN 2004. THE LAST TIME IT DIED WAS IN HEAVY TRAFFIC ON DALLAS NORTH TOLLWAY, RESULTING IN DODGING TRAFFIC. THIS VEHICLE IS CURRENTLY IN A LOCAL GM DEALERSHIP REPAIR SHOP AND HAS BEEN THERE FOR CLOSE TO ONE MONTH, WITH NO SURE CAUSE OF FAILURE. GM CUSTOMER ASSISTANCE CENTER SAID THAT THIS WAS THE ONLY GMC K2500 IN THE WORLD WITH THIS REPORTED PROBLEM. THIS VEHICLE FAILS AT VARIOUS TIMES AND DATES. BEGINNING ON 05/09/04 TO 06/28/09 AND WAS PLACED IN THE REPAIR SHOP ON 07/02/09 THIS VEHICLE IS UNSAFE DUE TO LOSS OF ALL POWER ASSIST AND DIFFICULT TO BRAKE AND STEER DURING THIS CONDITION. DURING VARIOUS REPAIR SHOP VISITS "NOTHING IS FOUND" EXCEPT THE DOWNLOAD SHOWS THAT THERE ARE SEVERAL FAILURES....... *TR
TL*THE CONTACT OWNS A 2004 GMC SIERRA 2500. THE CONTACT STATED THAT THE REAR SEAT BELT BUCKLE DOES NOT REMAIN FASTENED. HE IS WAITING ON THE MANUFACTURER TO DETERMINE IF IT CAN BE REPAIRED UNDER WARRANTY. THE FAILURE MILEAGE WAS 22,000.
Official recalls
104V562000 · Equipment Adaptive/mobility
Nov 26, 2004
ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT.
Consequence & remedy
Consequence: IN THE EVENT OF A VEHICLE CRASH, THE WHEELCHAIR MAY NOT BE ADEQUATELY SECURED POSSIBLY RESULTING IN INJURIES TO A WHEELCHAIR OCCUPANT.
Remedy: DEALERS WILL INSPECT AND REPLACE THE WHEELCHAIR SECUREMENT RETRACTORS AS NECESSARY. SURE-LOK WILL HANDLE THE REPAIRS FOR THIS CAMPAIGN. OWNERS SHOULD CONTACT SURE-LOCK AT 1-908-231-1804 OR MOBILITYWORKS AT 1-800-769-8267.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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